Dong Min Seo Kyoung Soo Bok Jae Soo Yoo Indexing Moving Objects for Future Position Retrieval on Location-Based Services. 1289-1293 2005 88-D IEICE Transactions 6 http://dx.doi.org/10.1093/ietisy/e88-d.6.1289 db/journals/ieicet/ieicet88d.html#SeoBY05